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Illinois Historical Timeline
- 1673—Louis Jolliet and Father Marquette arrive in Illinois
- 1699—Cahokia is founded, the oldest town in Illinois
- 1717—Illinois becomes part of French Louisiana
- 1763—England receives Illinois at the end of the French and Indian War
- 1778—George Rogers Clark captures Kaskaskia from the British
- 1787—Illinois becomes part of the Northwest Territory
- 1804—Lewis and Clark expedition starts near Wood River
- 1809—Illinois Territory is created
- 1818—Illinois becomes the 21st state
- 1830—Abraham Lincoln moves to Illinois
- 1837—Chicago incorporated as a city
- 1848—The Illinois & Michigan Canal completed
- 1853—First Illinois State Fair is held
- 1861—Abraham Lincoln inaugurated as the 16th President of the United States
- 1863—Emancipation Proclamation
- 1871—Fire consumes much of Chicago
- 1888—Present-day State Capitol built
- 1893—Chicago World's Fair
- 1900—Completion of the Chicago Sanitary and Ship Canal
- 1908—Chicago Cubs win their second World Series
- 1958—Illinois tollway opens
- 1959—The St. Lawrence Seaway opens
- 1970—New state constitution adopted
- 1986—Chicago Bears win Super Bowl XX
- 1992—Carol Moseley Braun becomes the first black woman in the Senate
- 1998—The Chicago bulls win their sixth NBA championship
- 2001—Abraham Lincoln Presidential Library and Museum is dedicated
- 2005—Abraham Lincoln Presidential Library and Museum opens
- 2005—Chicago White Sox win their third World Series
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